<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>P207 9.2.1 字符类别</title>
</head>

<body>
    <script>
        var str = 'good idea';
        var reg = /\s../gi;
        str.match(reg);
    </script>
    <a href="../首页/page09.html">
        <h2>返回上一页面</h2>
    </a>
</body>

</html>